Home / 76,691,418.64-105,836,769.11-45,356,328.68

Finding the Fourth Proportional to 76,691,418.64, 105,836,769.11 and 45,356,328.68

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Solution

The fourth proportional to 76,691,418.64, 105,836,769.11 and 45,356,328.68 is: 62,593,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,418.64 : 105,836,769.11 = 45,356,328.68 : x
  2. Step 2: Convert to fraction form
    76,691,418.64/105,836,769.11 = 45,356,328.68/x
  3. Step 3: Cross multiply
    76,691,418.64x = 105,836,769.11 × 45,356,328.68
  4. Step 4: Simplify right side
    76,691,418.64x = 4,800,367,285,766,638
  5. Step 5: Solve for x
    x = 4,800,367,285,766,638/76,691,418.64
  6. Step 6: Final answer
    x = 62,593,277.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.